Viscoelastic Properties of PVB Interlayer for Laminated Glass Structures Used in Building Reconstructions

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F19%3A00331607" target="_blank" >RIV/68407700:21110/19:00331607 - isvavai.cz</a>

Alternative codes found

RIV/68407700:21610/19:00331607

Result on the web

<a href="https://www.scientific.net/KEM.808.115.pdf" target="_blank" >https://www.scientific.net/KEM.808.115.pdf</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.4028/www.scientific.net/KEM.808.115" target="_blank" >10.4028/www.scientific.net/KEM.808.115</a>

Result language

angličtina

Original language name

Viscoelastic Properties of PVB Interlayer for Laminated Glass Structures Used in Building Reconstructions

Original language description

Laminated glass is a structural element used extensively in a reconstruction of existing building structures because of its transparency and simplicity. When using laminated glass as a glass staircase, balustrades, transparent flooring, facades or other structural elements, it is advisable to consider the shear interaction of individual glass panes in the cross-section. A conservative approach where the glass panes shear interaction is not considered, is uneconomical. This interaction depends on the properties of polymeric interlayers used in lamination process. Various commercial products based on PVB (polyvinyl butyral), EVA (ethylene vinyl acetate), ionomer, or thermoplastic polyurethane (TPU) are used. Stiffness of polymers depends on temperature and duration of a load. Interlayers exhibit the viscoelastic properties and temperature dependency usually described by the generalized Maxwell model and WLF model (Williams-Landel-Ferry). Parameters of these models are the most effectively determined by Dynamic Mechanical Thermal Analysis (DMTA), where the material is cyclically loaded at different frequencies and temperatures. Material parameters were found by DMTA in shear for PVB type of interlayer Trosifol® BG R20. In addition, the experimental quasi-static loading tests in shear were performed at different loading rates and at various temperatures. These experimental stress-strain diagrams were compared to the theoretical stress-strain relations obtained from Maxwell model with material parameters based on DMTA testing. All tests were performed in Klokner Institute CTU in Prague.

Czech name

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Czech description

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Type

D - Article in proceedings

CEP classification

—

OECD FORD branch

20101 - Civil engineering

Project

<a href="/en/project/GA16-17461S" target="_blank" >GA16-17461S: Dynamic material properties of viscoelastic interlayers used in laminated glasses</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2019

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection

Rehabilitation and Reconstruction of Buildings II

ISBN

978-3-0357-1492-0

ISSN

1013-9826

e-ISSN

—

Number of pages

8

Pages from-to

115-122

Publisher name

Trans Tech Publications

Place of publication

Curich

Event location

Brno

Event date

Nov 28, 2019

Type of event by nationality

WRD - Celosvětová akce

UT code for WoS article

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